function setCookie(c_name,value,expiredays)
{
  var exdate=new Date()
  exdate.setDate(exdate.getDate()+expiredays)
  document.cookie=c_name+ "=" +escape(value)+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString())+";path=/";
  //alert(document.cookie);
}

function resizeText(newsize)
{
  setCookie("fontSize",newsize);
  setText(newsize);
}

function setText(newsize)
{
  document.body.style.fontSize=newsize;
}